by CanPrev
When you’re looking for a supplement that helps you relax without making you feel drowsy, then CanPrev’s L-Theanine with Magnesium just might be the answer. L-theanine is an amino acid found in green and black tea and commonly used as a natural stress reliever. In addition, it can help to improve concentration and focus without making you feel sleepy. As a psychoactive substance, L-Theanine can ea
| Retailer | Size | Price (CAD) | Availability |
|---|---|---|---|
| Supplements Canada | $22.99 | In stock |
Prices last synced on 2026-08-04. Confirm at the retailer before buying.